Move PwsClientImplTest to junit

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PwsClientImpl.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.physicalweb;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.text.TextUtils;
 
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import org.chromium.base.ContextUtils;
 import org.chromium.base.LocaleUtils;
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.GoogleAPIKeys;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeVersionInfo;
 import org.chromium.chrome.browser.physicalweb.PwsClient.FetchIconCallback;
 import org.chromium.chrome.browser.physicalweb.PwsClient.ResolveScanCallback;
 
@@ skipping 22 matching lines @@
     private static final String OS_INFO_FORMAT = "Linux; Android %s; %s Build/%s";
     private static final String PRODUCT_FORMAT = "Chrome/%s Mobile";
 
     // HTTP request header strings, lazily initialized.
     private static String sUserAgent;
     private static String sAcceptLanguage;
 
     // Cached locale string. When the default locale changes, recreate the Accept-Language header.
     private static String sDefaultLocale;
 
-    // The context must be valid for as long as this client is in use, since it is used to recreate
-    // the Accept-Language header when the locale changes.
-    private final Context mContext;
-
-    public PwsClientImpl(Context context) {
-        mContext = context;
-    }
+    public PwsClientImpl() {}
 
     private String getApiKey() {
         if (ChromeVersionInfo.isStableBuild()) {
             return GoogleAPIKeys.GOOGLE_API_KEY;
         } else {
             return GoogleAPIKeys.GOOGLE_API_KEY_PHYSICAL_WEB_TEST;
         }
     }
 
     private static JSONObject createResolveScanPayload(Collection<UrlInfo> urls)
@@ skipping 148 matching lines @@
 
     /**
      * Update an Accept-Language string based on the current default locales and make a string of
      * an Accept-Language header with q-values.
      * @return An Accept-Language string made of an Accept-Language header with q-values.
      */
     @VisibleForTesting
     String updateAcceptLanguage() {
         String localeString = LocaleUtils.getDefaultLocaleListString();
         if (sDefaultLocale == null || !sDefaultLocale.equals(localeString)) {
-            String acceptLanguages = mContext.getResources().getString(R.string.accept_languages);
+            Context context = ContextUtils.getApplicationContext();
+            String acceptLanguages = context.getResources().getString(R.string.accept_languages);
             acceptLanguages = prependToAcceptLanguagesIfNecessary(localeString, acceptLanguages);
             sAcceptLanguage = generateAcceptLanguageHeader(acceptLanguages);
             sDefaultLocale = localeString;
         }
         return sAcceptLanguage;
     }
 
     /**
      * Get the language code for the default locales and prepend it to the Accept-Language string
      * if it isn't already present. The logic should match PrependToAcceptLanguagesIfNecessary in
@@ skipping 64 matching lines @@
                 langListWithQ.format(",%s;q=0.%d", language, qvalue10);
             }
             // It does not make sense to have 'q=0'.
             if (qvalue10 > kQvalueDecrement10) {
                 qvalue10 -= kQvalueDecrement10;
             }
         }
         return langListWithQ.toString();
     }
 }